JPS537349B2 - - Google Patents

Info

Publication number
JPS537349B2
JPS537349B2 JP3356674A JP3356674A JPS537349B2 JP S537349 B2 JPS537349 B2 JP S537349B2 JP 3356674 A JP3356674 A JP 3356674A JP 3356674 A JP3356674 A JP 3356674A JP S537349 B2 JPS537349 B2 JP S537349B2
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP3356674A
Other versions
JPS50128452A (ja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP3356674A priority Critical patent/JPS537349B2/ja
Priority to US05/560,488 priority patent/US3989940A/en
Publication of JPS50128452A publication Critical patent/JPS50128452A/ja
Publication of JPS537349B2 publication Critical patent/JPS537349B2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/50—Adding; Subtracting
    • G06F7/505—Adding; Subtracting in bit-parallel fashion, i.e. having a different digit-handling circuit for each denomination
    • G06F7/5055—Adding; Subtracting in bit-parallel fashion, i.e. having a different digit-handling circuit for each denomination in which one operand is a constant, i.e. incrementers or decrementers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Mathematical Optimization (AREA)
  • General Engineering & Computer Science (AREA)
  • Logic Circuits (AREA)
JP3356674A 1974-03-27 1974-03-27 Expired JPS537349B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP3356674A JPS537349B2 (ja) 1974-03-27 1974-03-27
US05/560,488 US3989940A (en) 1974-03-27 1975-03-20 Binary incrementer circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3356674A JPS537349B2 (ja) 1974-03-27 1974-03-27

Publications (2)

Publication Number Publication Date
JPS50128452A JPS50128452A (ja) 1975-10-09
JPS537349B2 true JPS537349B2 (ja) 1978-03-16

Family

ID=12390082

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3356674A Expired JPS537349B2 (ja) 1974-03-27 1974-03-27

Country Status (2)

Country Link
US (1) US3989940A (ja)
JP (1) JPS537349B2 (ja)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4153939A (en) * 1976-01-24 1979-05-08 Nippon Electric Co., Ltd. Incrementer circuit
US4054788A (en) * 1976-06-04 1977-10-18 Hewlett-Packard Company Modular binary half-adder
US4218750A (en) * 1978-09-25 1980-08-19 Motorola, Inc. Incrementer with common precharge enable and carry-in signal
US4280190A (en) * 1979-08-09 1981-07-21 Motorola, Inc. Incrementer/decrementer circuit
JPS5668801A (en) 1979-11-09 1981-06-09 Hitachi Ltd Engine control unit
JPS57116424A (en) * 1981-01-13 1982-07-20 Toshiba Corp Parallel-to-serial converting circuit
US4417316A (en) * 1981-07-14 1983-11-22 Rockwell International Corporation Digital binary increment circuit apparatus
US4417315A (en) * 1981-07-14 1983-11-22 Rockwell International Corporation Method and apparatus for incrementing a digital word
US4445414A (en) * 1982-02-24 1984-05-01 Apple Computer, Inc. Digital, simultaneous, discrete frequency generator
US4486851A (en) * 1982-07-01 1984-12-04 Rca Corporation Incrementing/decrementing circuit as for a FIR filter
GB2127187B (en) * 1982-08-23 1986-03-05 Hewlett Packard Co Circuits for operating on n-digit operands
US4648058A (en) * 1984-04-03 1987-03-03 Trw Inc. Look-ahead rounding circuit
US4685078A (en) * 1984-10-31 1987-08-04 International Business Machines Corporation Dual incrementor
EP0191352B1 (de) * 1985-01-29 1989-08-23 Siemens Aktiengesellschaft Anordnung zur Erhöhung oder Erniedrigung eines binären Operanden um einen vorgegebenen Wert
DE3609056A1 (de) * 1985-03-18 1986-09-18 Nec Corp., Tokio/Tokyo Zaehlerschaltkreis
US4623982A (en) 1985-06-10 1986-11-18 Hewlett-Packard Company Conditional carry techniques for digital processors
US5619441A (en) * 1994-10-14 1997-04-08 International Business Machines Corporation High speed dynamic binary incrementer
US5563814A (en) * 1995-02-21 1996-10-08 Delco Electronics Corporation Reduced circuitry implementation for coverting two equal values to non-equal values
US6279024B1 (en) * 1996-01-04 2001-08-21 International Business Machines Corporation High performance, low power incrementer for dynamic circuits
US5877972A (en) * 1997-01-15 1999-03-02 International Business Machines Corporation High speed incrementer with array method
US6665698B1 (en) * 2000-05-12 2003-12-16 Hewlett-Packard Development Company, L.P. High speed incrementer/decrementer
EP1394673A1 (en) * 2002-08-30 2004-03-03 STMicroelectronics S.r.l. Method and circuit for incrementing, decrementing or two complementing a bit string

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1538083A (fr) * 1966-09-28 1968-08-30 Ibm Dispositif arithmétique
CH491565A (it) * 1967-06-09 1970-05-31 Sits Soc It Telecom Siemens Circuito di memoria e di conteggio di informazio ni numeriche elaborate secondo il principio della divisione di tempo, specialmente impiegabile nella tariffazione e nella commutazione telefonica
US3675000A (en) * 1970-08-06 1972-07-04 Sperry Rand Corp Apparatus for arithmetic operations by alerting the corresponding digits of the operands
US3704361A (en) * 1971-04-30 1972-11-28 North Electric Co Binary synchronous up/down counter

Also Published As

Publication number Publication date
USB560488I5 (ja) 1976-03-16
JPS50128452A (ja) 1975-10-09
US3989940A (en) 1976-11-02

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